diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 1111115f62..2e237019f3 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -1,117 +1,117 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.NETCore.Platforms" Version="3.0.0-preview9.19409.17">
+    <Dependency Name="Microsoft.NETCore.Platforms" Version="3.0.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.Targets" Version="3.0.0-preview9.19409.17">
+    <Dependency Name="Microsoft.NETCore.Targets" Version="3.0.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Private.CoreFx.NETCoreApp" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="Microsoft.Private.CoreFx.NETCoreApp" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Win32.Registry.AccessControl" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="Microsoft.Win32.Registry.AccessControl" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Win32.Registry" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="Microsoft.Win32.Registry" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Win32.SystemEvents" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="Microsoft.Win32.SystemEvents" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Windows.Compatibility" Version="3.0.0-preview9.19409.17">
+    <Dependency Name="Microsoft.Windows.Compatibility" Version="3.0.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.CodeDom" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.CodeDom" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Configuration.ConfigurationManager" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Configuration.ConfigurationManager" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Diagnostics.EventLog" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Diagnostics.EventLog" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Diagnostics.PerformanceCounter" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Diagnostics.PerformanceCounter" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.DirectoryServices" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.DirectoryServices" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Drawing.Common" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Drawing.Common" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.IO.FileSystem.AccessControl" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.IO.FileSystem.AccessControl" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Resources.Extensions" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Resources.Extensions" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.IO.Packaging" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.IO.Packaging" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
     <Dependency Name="System.IO.Pipes.AccessControl" Version="4.5.1">
       <Uri>https://github.com/dotnet/corefx</Uri>
       <Sha>7ee84596d92e178bce54c986df31ccc52479e772 </Sha>
     </Dependency>
-    <Dependency Name="System.Security.AccessControl" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Security.AccessControl" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Security.Cryptography.Cng" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Security.Cryptography.Cng" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Security.Cryptography.Pkcs" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Security.Cryptography.Pkcs" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Security.Cryptography.ProtectedData" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Security.Cryptography.ProtectedData" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Security.Cryptography.Xml" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Security.Cryptography.Xml" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Security.Permissions" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Security.Permissions" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Security.Principal.Windows" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Security.Principal.Windows" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Text.Encodings.Web" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Text.Encodings.Web" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Text.Json" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Text.Json" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Threading.AccessControl" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Threading.AccessControl" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
-    <Dependency Name="System.Windows.Extensions" Version="4.6.0-preview9.19409.17">
+    <Dependency Name="System.Windows.Extensions" Version="4.6.0-rc1.19420.10">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>b82d2bc44424c8a99a1f0fc13202bdfd43e6f9f5</Sha>
+      <Sha>d341fd37dcb2c22e382adccdc06770cf8f160577</Sha>
     </Dependency>
     <Dependency Name="NETStandard.Library" Version="2.1.0-prerelease.19421.6">
       <Uri>https://github.com/dotnet/standard</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index b1718f3240..ccaebf3b13 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -39,34 +39,34 @@
     <MicrosoftDotNetBuildTasksFeedPackageVersion>2.2.0-beta.19410.2</MicrosoftDotNetBuildTasksFeedPackageVersion>
     <MicrosoftDotNetVersionToolsTasksPackageVersion>1.0.0-beta.19308.1</MicrosoftDotNetVersionToolsTasksPackageVersion>
     <!-- corefx -->
-    <MicrosoftNETCorePlatformsPackageVersion>3.0.0-preview9.19409.17</MicrosoftNETCorePlatformsPackageVersion>
-    <MicrosoftNETCoreTargetsPackageVersion>3.0.0-preview9.19409.17</MicrosoftNETCoreTargetsPackageVersion>
-    <MicrosoftPrivateCoreFxNETCoreAppPackageVersion>4.6.0-preview9.19409.17</MicrosoftPrivateCoreFxNETCoreAppPackageVersion>
-    <MicrosoftWin32RegistryAccessControlVersion>4.6.0-preview9.19409.17</MicrosoftWin32RegistryAccessControlVersion>
-    <MicrosoftWin32RegistryVersion>4.6.0-preview9.19409.17</MicrosoftWin32RegistryVersion>
-    <MicrosoftWin32SystemEventsVersion>4.6.0-preview9.19409.17</MicrosoftWin32SystemEventsVersion>
-    <MicrosoftWindowsCompatibilityPackageVersion>3.0.0-preview9.19409.17</MicrosoftWindowsCompatibilityPackageVersion>
-    <SystemCodeDomVersion>4.6.0-preview9.19409.17</SystemCodeDomVersion>
-    <SystemConfigurationConfigurationManagerVersion>4.6.0-preview9.19409.17</SystemConfigurationConfigurationManagerVersion>
-    <SystemDiagnosticsEventLogVersion>4.6.0-preview9.19409.17</SystemDiagnosticsEventLogVersion>
+    <MicrosoftNETCorePlatformsPackageVersion>3.0.0-rc1.19420.10</MicrosoftNETCorePlatformsPackageVersion>
+    <MicrosoftNETCoreTargetsPackageVersion>3.0.0-rc1.19420.10</MicrosoftNETCoreTargetsPackageVersion>
+    <MicrosoftPrivateCoreFxNETCoreAppPackageVersion>4.6.0-rc1.19420.10</MicrosoftPrivateCoreFxNETCoreAppPackageVersion>
+    <MicrosoftWin32RegistryAccessControlVersion>4.6.0-rc1.19420.10</MicrosoftWin32RegistryAccessControlVersion>
+    <MicrosoftWin32RegistryVersion>4.6.0-rc1.19420.10</MicrosoftWin32RegistryVersion>
+    <MicrosoftWin32SystemEventsVersion>4.6.0-rc1.19420.10</MicrosoftWin32SystemEventsVersion>
+    <MicrosoftWindowsCompatibilityPackageVersion>3.0.0-rc1.19420.10</MicrosoftWindowsCompatibilityPackageVersion>
+    <SystemCodeDomVersion>4.6.0-rc1.19420.10</SystemCodeDomVersion>
+    <SystemConfigurationConfigurationManagerVersion>4.6.0-rc1.19420.10</SystemConfigurationConfigurationManagerVersion>
+    <SystemDiagnosticsEventLogVersion>4.6.0-rc1.19420.10</SystemDiagnosticsEventLogVersion>
     <SystemDiagnosticsPerformanceCounter>4.6.0-preview8.19375.15</SystemDiagnosticsPerformanceCounter>
-    <SystemDirectoryServicesVersion>4.6.0-preview9.19409.17</SystemDirectoryServicesVersion>
-    <SystemDrawingCommonVersion>4.6.0-preview9.19409.17</SystemDrawingCommonVersion>
-    <SystemIOFileSystemAccessControlVersion>4.6.0-preview9.19409.17</SystemIOFileSystemAccessControlVersion>
-    <SystemIOPackagingVersion>4.6.0-preview9.19409.17</SystemIOPackagingVersion>
+    <SystemDirectoryServicesVersion>4.6.0-rc1.19420.10</SystemDirectoryServicesVersion>
+    <SystemDrawingCommonVersion>4.6.0-rc1.19420.10</SystemDrawingCommonVersion>
+    <SystemIOFileSystemAccessControlVersion>4.6.0-rc1.19420.10</SystemIOFileSystemAccessControlVersion>
+    <SystemIOPackagingVersion>4.6.0-rc1.19420.10</SystemIOPackagingVersion>
     <SystemIOPipesAccessControl>4.5.1</SystemIOPipesAccessControl>
-    <SystemResourcesExtensionsPackageVersion>4.6.0-preview9.19409.17</SystemResourcesExtensionsPackageVersion>
-    <SystemSecurityAccessControlVersion>4.6.0-preview9.19409.17</SystemSecurityAccessControlVersion>
-    <SystemSecurityCryptographyCngVersion>4.6.0-preview9.19409.17</SystemSecurityCryptographyCngVersion>
-    <SystemSecurityCryptographyPkcsVersion>4.6.0-preview9.19409.17</SystemSecurityCryptographyPkcsVersion>
-    <SystemSecurityCryptographyProtectedDataVersion>4.6.0-preview9.19409.17</SystemSecurityCryptographyProtectedDataVersion>
-    <SystemSecurityCryptographyXmlVersion>4.6.0-preview9.19409.17</SystemSecurityCryptographyXmlVersion>
-    <SystemSecurityPermissionsVersion>4.6.0-preview9.19409.17</SystemSecurityPermissionsVersion>
-    <SystemSecurityPrincipalWindowsVersion>4.6.0-preview9.19409.17</SystemSecurityPrincipalWindowsVersion>
-    <SystemTextEncodingsWebVersion>4.6.0-preview9.19409.17</SystemTextEncodingsWebVersion>
-    <SystemTextJsonVersion>4.6.0-preview9.19409.17</SystemTextJsonVersion>
-    <SystemThreadingAccessControlVersion>4.6.0-preview9.19409.17</SystemThreadingAccessControlVersion>
-    <SystemWindowsExtensionsPackageVersion>4.6.0-preview9.19409.17</SystemWindowsExtensionsPackageVersion>
+    <SystemResourcesExtensionsPackageVersion>4.6.0-rc1.19420.10</SystemResourcesExtensionsPackageVersion>
+    <SystemSecurityAccessControlVersion>4.6.0-rc1.19420.10</SystemSecurityAccessControlVersion>
+    <SystemSecurityCryptographyCngVersion>4.6.0-rc1.19420.10</SystemSecurityCryptographyCngVersion>
+    <SystemSecurityCryptographyPkcsVersion>4.6.0-rc1.19420.10</SystemSecurityCryptographyPkcsVersion>
+    <SystemSecurityCryptographyProtectedDataVersion>4.6.0-rc1.19420.10</SystemSecurityCryptographyProtectedDataVersion>
+    <SystemSecurityCryptographyXmlVersion>4.6.0-rc1.19420.10</SystemSecurityCryptographyXmlVersion>
+    <SystemSecurityPermissionsVersion>4.6.0-rc1.19420.10</SystemSecurityPermissionsVersion>
+    <SystemSecurityPrincipalWindowsVersion>4.6.0-rc1.19420.10</SystemSecurityPrincipalWindowsVersion>
+    <SystemTextEncodingsWebVersion>4.6.0-rc1.19420.10</SystemTextEncodingsWebVersion>
+    <SystemTextJsonVersion>4.6.0-rc1.19420.10</SystemTextJsonVersion>
+    <SystemThreadingAccessControlVersion>4.6.0-rc1.19420.10</SystemThreadingAccessControlVersion>
+    <SystemWindowsExtensionsPackageVersion>4.6.0-rc1.19420.10</SystemWindowsExtensionsPackageVersion>
     <!-- standard -->
     <NETStandardLibraryPackageVersion>2.1.0-prerelease.19421.6</NETStandardLibraryPackageVersion>
     <!-- coreclr -->